Paul Watters watters at tasman.cc.utas.edu.au
Sun Sep 3 19:37:18 EST 1995


There's probably an elementary answer to this question which occured to me last
night watching a documentary on Darwin's life and times. Say you have
two species, B and C, who have a common ancestor, A, from which they
both developed/evolved independently over many years. At what point
do B and C, B and A, and C and A lose the ability to mate succesfully?
Has anyone modelled such a phenomena?

(Thinking back to my biology days, the ability to mate seemed to be
involved in the definition of what a species was/is). Anyway, I'd
appreciate any thoughts on this topic (or pointers to appropriate
references). Especially from a genetic programming p.o.v.


| Paul A Watters  (watters at utas.edu.au)                                 |
| Department of Psychology, University of Tasmania, AUSTRALIA           |
| Hay un tiempo para cada cosa, y un momento para hacerla bajo el cielo |

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